Home / 442,946.70-664,420.05-162,573.30

Finding the Fourth Proportional to 442,946.70, 664,420.05 and 162,573.30

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Solution

The fourth proportional to 442,946.70, 664,420.05 and 162,573.30 is: 243,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,946.70 : 664,420.05 = 162,573.30 : x
  2. Step 2: Convert to fraction form
    442,946.70/664,420.05 = 162,573.30/x
  3. Step 3: Cross multiply
    442,946.70x = 664,420.05 × 162,573.30
  4. Step 4: Simplify right side
    442,946.70x = 108,016,960,114.67
  5. Step 5: Solve for x
    x = 108,016,960,114.67/442,946.70
  6. Step 6: Final answer
    x = 243,859.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.